CN1288078C - 磷酸法沉淀二氧化硅的制备方法 - Google Patents
磷酸法沉淀二氧化硅的制备方法 Download PDFInfo
- Publication number
- CN1288078C CN1288078C CN 200510038573 CN200510038573A CN1288078C CN 1288078 C CN1288078 C CN 1288078C CN 200510038573 CN200510038573 CN 200510038573 CN 200510038573 A CN200510038573 A CN 200510038573A CN 1288078 C CN1288078 C CN 1288078C
- Authority
- CN
- China
- Prior art keywords
- phosphoric acid
- value
- water
- stirring
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Silicon Compounds (AREA)
Abstract
Description
例号 | 例1 | 例2 | 例3 |
容器容量(升) | 64 | 64 | 64 |
水体积(A)(升) | 18.0 | 13.1 | 12.6 |
所用氯化钠 | NaCl | NaCl | NaCl |
氯化钠(B)浓度(%W/W) | 25 | 25 | 25 |
氯化钠(B)体积(升) | 1.7 | 0.9 | 2.4 |
硅酸盐比值SiO2/NaO2 | 3.30 | 3.29 | 3.26 |
(按重量计) | |||
硅酸钠中SiO2浓度(%W/W) | 17.49 | 16.52 | 17.41 |
硅酸盐体积(C)(升) | 0.1 | 0.1 | 0.1 |
硅酸盐体积(D)(升) | 14.2 | 11.4 | 11.0 |
酸浓度(%W/W) | 18.5 | 18.1 | 18.0 |
酸体积(F)(升) | 7.6 | 5.7 | 5.4 |
温度(E)(℃) | 80 | 75 | 85 |
酸I加入时间(G)(分) | 60 | 65 | 55 |
酸II加入时间(K)(分) | 20 | 22 | 18 |
实施例号 | 例1 | 例2 | 例3 |
比表面积(m2/g) | 139 | 158 | 135 |
塑料磨耗值 | 16 | 20 | 16 |
透明度最大% | 77 | 78 | 71 |
折射率 | 1.448 | 1.450 | 1.446 |
1100℃焙后形式 | Ac. | Ac. | Ac. |
1000℃灼烧失重(%) | 10.0 | 7.0 | 8.2 |
105℃失水(%) | 5.1 | 1.9 | 3.2 |
pH | 7.5 | 6.3 | 7.3 |
油吸附 | 250 | 280 | 230 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510038573 CN1288078C (zh) | 2005-03-25 | 2005-03-25 | 磷酸法沉淀二氧化硅的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510038573 CN1288078C (zh) | 2005-03-25 | 2005-03-25 | 磷酸法沉淀二氧化硅的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1686792A CN1686792A (zh) | 2005-10-26 |
CN1288078C true CN1288078C (zh) | 2006-12-06 |
Family
ID=35304834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200510038573 Expired - Fee Related CN1288078C (zh) | 2005-03-25 | 2005-03-25 | 磷酸法沉淀二氧化硅的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1288078C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101412514B (zh) * | 2008-11-18 | 2012-09-05 | 湖北兴发化工集团股份有限公司 | 一种磷酸沉淀法制备白碳黑并直接联产磷酸钠盐的工艺 |
-
2005
- 2005-03-25 CN CN 200510038573 patent/CN1288078C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1686792A (zh) | 2005-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108456331B (zh) | 一种金属有机骨架材料为载体的硫化活性剂的制备方法 | |
CN103449458A (zh) | 一种高分散性白炭黑的制备方法 | |
CN1709985A (zh) | 一种氧化铁黑的生产方法 | |
CN103635542B (zh) | 经过处理的无机颗粒 | |
CZ363388A3 (en) | Process for preparing barium sulfate with chemically reacting surface | |
JPH04300644A (ja) | 酸化第二セリウムゾル | |
US20200239325A1 (en) | Systems and Methods to Treat Flue Gas Desulfurization Waste to Produce Ammonium Sulfate and Calcium Carbonate Products | |
Trypuć et al. | CaCO3 production using liquid waste from Solvay method | |
JP2008542186A (ja) | 硫酸ナトリウムを用いてシリカ、亜硫酸ナトリウム及び亜硫酸水素ナトリウムを製造する方法 | |
CN105836782B (zh) | 方解石型碳酸钙及其制备方法 | |
CN1288078C (zh) | 磷酸法沉淀二氧化硅的制备方法 | |
US20180282169A1 (en) | Silica synthesis | |
CN1038407C (zh) | 浓盐水溶液中硫酸根离子的分离方法 | |
CN1176024C (zh) | 钛白废酸的综合利用法 | |
CN110963729A (zh) | 一种钛白副产石膏制备及降低标稠用水量的方法 | |
US2914503A (en) | Vulcanized rubber-silica compositions | |
CN1752000A (zh) | 一种药用碘化钠生产方法 | |
JP2000509009A (ja) | ベーマイトアルミナの塩 | |
CN112919531B (zh) | 一种金红石钛白粉盐促进剂及其应用 | |
CN1644508A (zh) | 以制盐苦卤为原料制备水滑石的方法 | |
CN1911936A (zh) | 有机硅化合物的制备方法 | |
US3372046A (en) | Silica pigments and process for producing same | |
CN1215978C (zh) | 多孔性碳酸钙的生产方法 | |
CN113354046A (zh) | 氮化碳修饰纳米Fe3O4材料作为抑藻剂的应用及方法 | |
CN1252191C (zh) | 一种铁蓝的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Chengxing Phosphorus Chemical Industry Co., Ltd. Assignor: Chengxing Industry Group Co., Ltd., Jiangyin Contract fulfillment period: 2008.6.10 to 2013.6.10 Contract record no.: 2009320001114 Denomination of invention: Phosphoric acid method for depositing and preparing silicon dioxide Granted publication date: 20061206 License type: Exclusive license Record date: 20090716 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.10 TO 2013.6.10; CHANGE OF CONTRACT Name of requester: JIANGSU CHENGXING PHOSPHORUS CHEMICAL INDUSTRY CO. Effective date: 20090716 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061206 Termination date: 20210325 |
|
CF01 | Termination of patent right due to non-payment of annual fee |